1&comma;Kayo made the first pit bike for kids in China&lpar;2001&rpar;&semi;2&comma;Kayo made the first racing pit bike for children in China&lpar;2008&rpar;&semi;3&comma;Kayo made the first self-developed champion pit bike in China 150 class&lpar;2009&rpar;&semi;4&comma;Kayo made the first high-power champion motocross with NC250 engine in China&lpar;2010&rpar;&semi;5&comma;Kayo made the first road racing motorcycle in China&lpar;2011&rpar;&semi;6&comma;Kayo made the first EFI racing motocross-K6 in China&lpar;2015&rpar;